♻️ (stacked note) simplify ini

src/hooks/useQueryStackedNotes.hook.ts

@@ -10,15 +10,13 @@ export const useQueryStackedNotes = () => {
   const { query } = useRoute()
   if (initial) {
     initial = false
-    stackedNotes.value = query.stackedNotes
-      ? Array.isArray(query.stackedNotes)
+    stackedNotes.value = Array.isArray(query.stackedNotes)
       ? (query.stackedNotes
           .map((n) => n?.toString())
           .filter((n) => !!n) as string[])
       : ([query.stackedNotes]
           .map((n) => n?.toString())
           .filter((n) => !!n) as string[])
-      : ([] as string[])
   }
 
   return {